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-You’re dropped __________ “s” in the word “across”.

-Oh, you are right, __________ letter “s” should be doubled like this “cross”.

A.a, a              B.an, a             C.an, the            D.the, a

 

【答案】

C

【解析】

试题分析:句意:在单词”across”当中,你丢了一个”s”.——哦,你说的对。想这个“cross”一样,这个字母“s”应该双写。结合语境可知上文泛指任何一个字母“s”故用不定冠词,s词首音素是元音,故不定冠词用an。下文特指某个字母,故用定冠词,选C。

考点:冠词

点评:冠词是一种虚词,一般用于名词前面表示特指或者泛指某一个。冠词的应用都用一定规则,熟记这些规则是解题的关键。不定冠词用在名词前,表示泛指任何一个。定冠词用在名词前表示特指某一个。在专有名词及表示泛指的复数名词前一般不要冠词,叫做零冠词。需注意的是不定冠词的用法是看词首音素,不是看首字母,如:useful首字母是元音,但是词首音素时辅音,故不定冠词用a;hour首字母是辅音,但是词首音素是元音,故用冠词an。

 

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